Home Cart Sign in  
Chemical Structure| 56990-05-7 Chemical Structure| 56990-05-7

Structure of 56990-05-7

Chemical Structure| 56990-05-7

*Storage: {[sel_prStorage]}

*Shipping: {[sel_prShipping]}

,{[proInfo.pro_purity]}

4.5 *For Research Use Only !

{[proInfo.pro_purity]}
Cat. No.: {[proInfo.prAm]} Purity: {[proInfo.pro_purity]}

Change View

Size Price VIP Price

US Stock

Global Stock

In Stock
{[ item.pr_size ]} Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price, item.vip_usd) ]}

US Stock: ship in 0-1 business day
Global Stock: ship in 5-7 days

  • {[ item.pr_size ]}

In Stock

- +

Please Login or Create an Account to: See VIP prices and availability

US Stock: ship in 0-1 business day
Global Stock: ship in 2 weeks

  • 1-2 Day Shipping
  • High Quality
  • Technical Support
Product Citations

Alternative Products

Product Details of [ 56990-05-7 ]

CAS No. :56990-05-7
Formula : C7H3Br2NO3
M.W : 308.91
SMILES Code : O=CC1=CC(Br)=C(Br)C=C1[N+]([O-])=O
MDL No. :MFCD25964751

Safety of [ 56990-05-7 ]

Application In Synthesis of [ 56990-05-7 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 56990-05-7 ]

[ 56990-05-7 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 552-89-6 ]
  • [ 882772-99-8 ]
  • [ 5551-12-2 ]
  • [ 56990-05-7 ]
  • [ 20357-20-4 ]
  • [ 20357-21-5 ]
  • [ 1559060-83-1 ]
  • 3,6-dibromo-2-nitrobenzaldehyde [ No CAS ]
YieldReaction ConditionsOperation in experiment
8%; 20%; 9%; 8%; 14%; 12%; 13% With N-Bromosuccinimide; sulfuric acid; at 25℃; for 3h; Treatment of 1 (504 mg, 3.33 mmol) and NBS (1.48 g, 8.30 mmol) in H2SO4 (3.0 mL) as described above provided after purification by chromatography (hexanes/EtOAc, 85:15) the following fractions in order of elution: (I) 7 (65 mg, 0.21 mmol, 9percent); (II) 2 (153 mg, 20percent), 4 (58 mg, 8percent), and 6 (128 mg, 12percent); (III) 5 (108 mg, 14percent), 8 (129 mg, 13percent), and 1 (17 mg, 3percent); (IV) 3 (57 mg, 0.25 mmol, 8percent).
  • 2
  • [ 552-89-6 ]
  • [ 5551-12-2 ]
  • [ 56990-05-7 ]
  • [ 20357-20-4 ]
  • [ 20357-21-5 ]
  • [ 1559060-83-1 ]
YieldReaction ConditionsOperation in experiment
21%; 1%; 9%; 20%; 5% With N-Bromosuccinimide; sulfuric acid; at 25℃; for 3h; N-Bromosuccinimide (NBS) (1.48 g, 8.32 mmol) was added to a solution of 1 (1.01 g, 6.71 mmol) in H2SO4 (concentrated 5.0 mL). The resulting mixture was stirred at ambient temperature (3 h). The reaction was quenched with ice and extracted with ethyl acetate (320mL). The combined organic phases were washed with saturated NaCl (aqueous, 30 mL), dried (MgSO4), and filtered through a silica gel plug, and the solvents were evaporated under reduced pressure. The resulting brown oil was purified by column chromatography (hexanes=EtOAc, 8:2) to afford the following fractions in order of elution: (I) 7 (28 mg, 0.09 mmol, 1percent) as an off-white solid; (II) 2 (328 mg, 21percent), 4 (140 mg, 9percent), and 3,4-dibromo-2-nitrobenzaldehyde (6) (94 mg, 5percent); (III) 5 (310 mg, 20percent), 8 (65 mg, 3percent), 1 (168 mg, 17percent); (IV) 3 (54 mg, 0.23 mmol, 4percent).
  • 3
  • [ 552-89-6 ]
  • [ 5551-12-2 ]
  • [ 56990-05-7 ]
  • [ 20357-20-4 ]
  • [ 20357-21-5 ]
YieldReaction ConditionsOperation in experiment
19%; 1%; 12%; 24% With N-Bromosuccinimide; sulfuric acid; at 25℃; for 3h; Treatment of 1 (986 mg, 6.53 mmol) with NBS (878 mg, 4.93 mmol) in H2SO4 (conc. 5.0 mL), as described in the paper gave after chromatography (hexanes/EtOAc, 8:2) the following fractions in order of elution: (I) 4-bromo-2-nitrobenzaldehyde (2)1 (216 mg, 19percent), 5-bromo-2-nitrobenzaldehyde (4)2 (134 mg, 12percent), and 4,5-dibromo-2-nitrobenzaldehyde (7) (18 mg, 1percent) as a yellow solid; (II) 6-bromo-2-nitrobenzaldehyde (5) (268 mg, 24percent),3 3,6-dibromo-2-nitrobenzaldehyde (8) (25 mg, 2percent),4 and 1 (409 mg, 41percent) as a yellow oil; (III) 3-bromo-2-nitrobenzaldehyde (3)5 as a yellow solid (60 mg, 0.26 mmol, 4percent).
  • 4
  • [ 552-89-6 ]
  • [ 5551-12-2 ]
  • [ 56990-05-7 ]
  • [ 20357-21-5 ]
  • [ 1559060-83-1 ]
YieldReaction ConditionsOperation in experiment
10%; 2%; 8%; 9% With N-Bromosuccinimide; sulfuric acid; at 60℃; for 3h; Treatment of 1 (459 mg, 3.03 mmol) and NBS (677 mg, 3.80 mmol) in H2SO4 (3.0 mL) at 60 oC as described above afforded the following fractions in order of elution: (I) 7 (21 mg, 0.07 mmol, 2percent); (II) 2 (66 mg, 9percent) and 4 (24 mg, 3percent); (III): 2 (5 mg, 0.7percent) and 3,4-dibromo-2-nitrobenzaldehyde 6 (85 mg, 9percent); (IV) 5 (59 mg, 8percent), 8 (13 mg, 1percent), and 1 (18 mg, 4percent); (V) 3 (20 mg, 0.09 mmol, 3percent).
 

Historical Records

Technical Information

Categories